Home / 45,338.10-68,007.05-12,058.17

Finding the Fourth Proportional to 45,338.10, 68,007.05 and 12,058.17

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Solution

The fourth proportional to 45,338.10, 68,007.05 and 12,058.17 is: 18,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,338.10 : 68,007.05 = 12,058.17 : x
  2. Step 2: Convert to fraction form
    45,338.10/68,007.05 = 12,058.17/x
  3. Step 3: Cross multiply
    45,338.10x = 68,007.05 × 12,058.17
  4. Step 4: Simplify right side
    45,338.10x = 820,040,570.10
  5. Step 5: Solve for x
    x = 820,040,570.10/45,338.10
  6. Step 6: Final answer
    x = 18,087.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.